December weather forecast
Fort Garland, CO

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Weather in December

December, the first month of the winter in Fort Garland, is also an icy month, with temperature in the range of an average high of 33.3°F (0.7°C) and an average low of 15.6°F (-9.1°C).

Temperature

December's onset brings a reduction in the average high-temperature, from a frosty 44.1°F (6.7°C) in November to an icy 33.3°F (0.7°C). In December, Fort Garland reports a consistent average low-temperature of 15.6°F (-9.1°C) during the nights.

Humidity

In December, the average relative humidity is 72%.

Rainfall

In Fort Garland, in December, it is raining for 6.5 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 125.5 rainfall days, and 19.84" (504mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Fort Garland, during December, snow falls for 10.3 days and regularly aggregates up to 6.14" (156mm) of snow. Throughout the year, in Fort Garland, there are 73.4 snowfall days, and 53.07" (1348mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:54 pm MST.

Sunshine

In Fort Garland, Colorado, the average sunshine in December is 6.9h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Fort Garland, 33.3°F (0.7°C) is the average high-temperature and 15.6°F (-9.1°C) is the average low-temperature during December.

What is the average humidity in December?

In December, the average relative humidity is 72%.

How many days does it rain in December?

In Fort Garland, during December, the rain falls for 6.5 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How many days does it snow in December?

In Fort Garland, in December, during 10.3 snowfall days, 6.14" (156mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days in Fort Garland is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

In Fort Garland, the average day length in December is 9h and 38min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:54 pm MST.

How many hours of sunshine does Fort Garland have in December?

In Fort Garland, the average sunshine duration in December is 6.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fort Garland, CO

Average temperature in December - Fort Garland, CO
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in December: 15.6°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

Average pressure in December
Fort Garland, CO

Average pressure in December - Fort Garland, CO
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).

Average wind speed in December
Fort Garland, CO

Average wind speed in December - Fort Garland, CO
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are February, March and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Fort Garland, CO

Average humidity in December - Fort Garland, CO
  • Average humidity in December: 72%

The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is June (43%).

Average rainfall in December
Fort Garland, CO

Average rainfall in December - Fort Garland, CO
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is November (0.63").

Average rainfall days in December
Fort Garland, CO

Average rainfall days in December - Fort Garland, CO
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (3.3 days).

Average snowfall in December
Fort Garland, CO

Average snowfall in December - Fort Garland, CO
  • Average snowfall in December: 6.14"

The month with the highest snowfall is March (9.37").
The months with the least snowfall are July and August (0").

Average snowfall days in December
Fort Garland, CO

Average snowfall days in December - Fort Garland, CO
  • Average snowfall days in December: 10.3 days

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Fort Garland, CO

Average daylight in December / Average sunshine in December - Fort Garland, CO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

Average sunshine days in December
Fort Garland, CO

Average sunshine days in December - Fort Garland, CO
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (6 days).

Average UV index in December
Fort Garland, CO

Average UV index in December - Fort Garland, CO
  • Average UV index in December: 2

The months with the highest UV index are June and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in December
Fort Garland, CO

Average cloud cover in December - Fort Garland, CO
  • Average cloud cover in December: 26

The month with the most cloud cover is February (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in December
Fort Garland, CO

Average visibility in December - Fort Garland, CO
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Fort Garland, Colorado, USA

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